package space.xxhui;

public class Main {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
        function1();
        function2();
    }

    public static void function2(){
        System.out.println("function2");
        System.out.println("优化1");
    }

    public static void function1(){
        System.out.println("function1");
        System.out.println("优化1");
        System.out.println("优化2");
    }

}